ed25519-donna/modm: comment typo fix
ed25519-donna/modm: comment typo fix

runn1ng/trezor-crypto,runn1ng/trezor-crypto,trezor/trezor-crypto,trezor/trezor-crypto,trezor/trezor-crypto,runn1ng/trezor-crypto,trezor/trezor-crypto,runn1ng/trezor-crypto,runn1ng/trezor-crypto,trezor/trezor-crypto